package com.readygo.boot_test.auth;

import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.WebAttributes;
import org.springframework.security.web.authentication.AuthenticationFailureHandler;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@Component
public class RedirectAuthFailHandler implements AuthenticationFailureHandler {
    @Override
    public void onAuthenticationFailure(HttpServletRequest request, HttpServletResponse response, AuthenticationException exception) throws IOException, ServletException {
        request.setAttribute(WebAttributes.AUTHENTICATION_EXCEPTION, exception);
        String url = request.getContextPath() + "/login?error";
        response.sendRedirect(url);
    }
}
